Actually added the code mentioned in my last commit. Whoops.

git-svn-id: svn://localhost/ardour2/branches/midi@643 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 152 insertions, 0 deletions

diff --git a/libs/ardour/ardour/midi_region.h b/libs/ardour/ardour/midi_region.h
new file mode 100644
index 0000000000..e4d8f48c6e
--- /dev/null
+++ b/libs/ardour/ardour/midi_region.h
@@ -0,0 +1,152 @@
+/*
+    Copyright (C) 2006 Paul Davis 
+	Written by Dave Robillard, 2006
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#ifndef __ardour_midi_region_h__
+#define __ardour_midi_region_h__
+
+#include <vector>
+
+#include <pbd/fastlog.h>
+#include <pbd/undo.h>
+
+#include <ardour/ardour.h>
+#include <ardour/region.h>
+#include <ardour/export.h>
+
+class XMLNode;
+
+namespace ARDOUR {
+
+class Route;
+class Playlist;
+class Session;
+class MidiFilter;
+class MidiSource;
+
+struct MidiRegionState : public RegionState 
+{
+    MidiRegionState (std::string why);
+
+};
+
+class MidiRegion : public Region
+{
+  public:
+	typedef vector<MidiSource *> SourceList;
+
+	MidiRegion (MidiSource&, jack_nframes_t start, jack_nframes_t length, bool announce = true);
+	MidiRegion (MidiSource&, jack_nframes_t start, jack_nframes_t length, const string& name, layer_t = 0, Region::Flag flags = Region::DefaultFlags, bool announce = true);
+	MidiRegion (SourceList &, jack_nframes_t start, jack_nframes_t length, const string& name, layer_t = 0, Region::Flag flags = Region::DefaultFlags, bool announce = true);
+	MidiRegion (const MidiRegion&, jack_nframes_t start, jack_nframes_t length, const string& name, layer_t = 0, Region::Flag flags = Region::DefaultFlags, bool announce = true);
+	MidiRegion (const MidiRegion&);
+	MidiRegion (MidiSource&, const XMLNode&);
+	MidiRegion (SourceList &, const XMLNode&);
+	~MidiRegion();
+
+	bool region_list_equivalent (const MidiRegion&) const ;
+	bool source_equivalent (const MidiRegion&) const;
+	bool equivalent (const MidiRegion&) const;
+	bool size_equivalent (const MidiRegion&) const;
+	bool overlap_equivalent (const MidiRegion&) const;
+
+	bool speed_mismatch (float) const;
+
+	void lock_sources ();
+	void unlock_sources ();
+	MidiSource& source (uint32_t n=0) const { if (n < sources.size()) return *sources[n]; else return *sources[0]; } 
+
+	uint32_t n_channels() { return sources.size(); }
+	vector<string> master_source_names();
+	
+	bool captured() const { return !(_flags & (Region::Flag (Region::Import|Region::External))); }
+
+	virtual jack_nframes_t read_at (unsigned char *buf, unsigned char *mixdown_buffer, 
+					char * workbuf, jack_nframes_t position, jack_nframes_t cnt, 
+					uint32_t chan_n = 0,
+					jack_nframes_t read_frames = 0,
+					jack_nframes_t skip_frames = 0) const;
+
+	jack_nframes_t master_read_at (unsigned char *buf, unsigned char *mixdown_buffer, 
+				       char * workbuf, jack_nframes_t position, jack_nframes_t cnt, uint32_t chan_n=0) const;
+
+
+	XMLNode& state (bool);
+	XMLNode& get_state ();
+	int      set_state (const XMLNode&);
+
+	enum FadeShape {
+		Linear,
+		Fast,
+		Slow,
+		LogA,
+		LogB,
+
+	};
+
+	int separate_by_channel (ARDOUR::Session&, vector<MidiRegion*>&) const;
+
+	uint32_t read_data_count() const { return _read_data_count; }
+
+	ARDOUR::Playlist* playlist() const { return _playlist; }
+
+	UndoAction get_memento() const;
+
+	/* export */
+
+	//int exportme (ARDOUR::Session&, ARDOUR::AudioExportSpecification&);
+
+	Region* get_parent();
+
+  private:
+	friend class Playlist;
+
+  private:
+	SourceList        sources;
+	SourceList        master_sources; /* used when timefx are applied, so 
+					     we can always use the original
+					     source.
+					  */
+	StateManager::State* state_factory (std::string why) const;
+	Change restore_state (StateManager::State&);
+
+	bool copied() const { return _flags & Copied; }
+	void maybe_uncopy ();
+	void rename_after_first_edit ();
+
+	jack_nframes_t _read_at (const SourceList&, unsigned char *buf, unsigned char *mixdown_buffer, 
+				 char * workbuf, jack_nframes_t position, jack_nframes_t cnt, 
+				 uint32_t chan_n = 0,
+				 jack_nframes_t read_frames = 0,
+				 jack_nframes_t skip_frames = 0) const;
+
+	bool verify_start (jack_nframes_t position);
+	bool verify_length (jack_nframes_t position);
+	bool verify_start_mutable (jack_nframes_t& start);
+	bool verify_start_and_length (jack_nframes_t start, jack_nframes_t length);
+
+	void recompute_at_start() {}
+	void recompute_at_end() {}
+
+	void source_deleted (Source*);
+};
+
+} /* namespace ARDOUR */
+
+
+#endif /* __ardour_midi_region_h__ */